Check the listing for details. 100 Pack 12 oz Coffee Bags with Valve Black Flat Bottom Coffee Beans Packaging. Condition: New. Listed at 54.99 USD. 100 COUNT COFFE BAGS: 100 pieces of High Barrier Foil Flat Bottom Pouch Coffee Bags With Valve 12 OZ. The coffee bag vent is designed to keep your coffee as fresh and delicious as possible. It also can be used to store some food, such as candy or cookies but perfect fit for roast ground coffee and coffee beans whole beans.HOLD 12 OZ GROUND COFFEE BAG WITH VALVE: Black coffee bag with valve 12oz are popularly used as coffee bean packaging. Black coffee bags with valve also have foil inside, perfect coffee in a bag as whole bean coffee bag or roast ground coffee bags.ONE-WAY DEGASSING VALVE: These coffee pouches are equipped with a one-way degassing valve. Coffee bags with a valve provides an ingenious way of keeping your coffee beans in good shape so that each cup you make tastes as fresh as ever.SEALING STYLE: This coffee bag needs to be sealed with a heat sealer. Just ordinary household sealing machine. Once sealed, the coffee pouch bags will be airtight and tamper-proof. This coffee bag with valve will allow the gases inside to escape and the heat seal will ensure no outside gases can enter into the bag.Home: Not only to ensure that the coffee is fresh, but also to store other nut snacks and so on; Commercial: You can attach your own brand label on the surface as a retail or sample display package.SPECIFICATIONBag Configuration: 8 Seal PouchMaterial Thickness: 110umWidth: 124mmmLength: 234mmGusset: 66mmZipper: Yes, Pull Tab ZipperTear Notch: YesValve: YesRound Corner: Yes ~5mmHang Hole: NoColor: 1 color Black